ASM share buyback update May 23 – 24, 2023

Almere, The Netherlands
May 30, 2023, 8:45 a.m. CET

ASM International N.V. (Euronext Amsterdam: ASM) reports the following transactions, conducted under ASM’s current share buyback program.

Date Repurchased shares Average price Repurchased value May 23, 2023 291 € 358.66 € 104,369 May 24, 2023 11,358 € 351.44 € 3,991,656 Total 11,649 € 351.62 € 4,096,025

These repurchases were made as part of the €100 million share buyback program which started on April 27, 2023. Of the total program, 23.3% has been repurchased. For further details including individual transaction information please visit: www.asm.com/investors/dividends-share-buybacks.

About ASM International

ASM International N.V., headquartered in Almere, the Netherlands, and its subsidiaries design and manufacture equipment and process solutions to produce semiconductor devices for wafer processing, and have facilities in the United States, Europe, and Asia. ASM International’s common stock trades on the Euronext Amsterdam Stock Exchange (symbol: ASM). For more information, visit ASM’s website at www.asm.com.

This press release contains inside information within the meaning of Article 7(1) of the EU Market Abuse Regulation.

Contact

Investor and media relations

Victor Bareño
T: +31 88 100 8500
E: investor.relations@asm.com